Commercial HVAC

Gra-Tac provides Service, Maintenance Programs, Ductwork, HVAC System Installation and Replacement for Commercial and Industrial Customers in Bowling Green, KY and a large portion of Southern Kentucky.


As a Bryant Comfort Dealer, Gra-Tac Heating and Cooling employs licensed Kentucky HVAC Journeymen Technicians. Gra-Tac technicians can diagnose HVAC problems and make repairs efficiently and professionally.


Gra-Tac provides HVAC Maintenance Programs for a range of facilities from small offices, retail stores, to large factories. Gra-Tac Maintenance Programs range from simple HVAC Maintenance and Filter Replacement Programs to extensive Full Facility HVAC Maintenance Programs.


Gra-Tac designs, fabricates, and installs commercial ductwork from small fresh air ducts to large main HVAC duct systems.

HVAC System Installation

Gra-Tac Heating and Cooling designs and installs HVAC systems in New and Existing Buildings from as small as guard shacks to large commercial and industrial facilities.

Gra-Tac primarily installs Bryant HVAC systems on design build projects. We can work with any engineer's specified equipment brand of HVAC Controls and Equipment. (American Standard, Bryant, Carrier, Goodman, Greenheck, Honeywell, Johnson Controls, Lennox, LG, Mitsubishi, Modine, Renewaire, Reznor, Rheem, Trane, and York HVAC Controls and Systems.)

Gra-Tac installs Air Conditioners, Chillers, Controls, Commercial Ductwork, Economizers, Energy Recovery Ventilators (ERV), Exhaust Fans & Louvers, Furnaces, Heat Pumps, Make-Up Air Systems, Mini-Split Air Conditioners & Heat Pumps, Package HVAC Systems, Package Terminal Air Conditoners (PTAC), Split HVAC Systems and Zoning.

HVAC System Replacement

Gra-Tac Heating and Cooling replaces HVAC systems in older Existing Buildings of all sizes. Gra-Tac looks at changes to the building since the original HVAC system was installed. In speaking of HVAC Loads, this includes lighting changes and outdoor air requirements and other HVAC Code changes, as well as other Indoor Air Quality issues.

Gra-Tac specializes in Energy Efficiency Upgrades with new heating and cooling systems. Our Comfort Advisors can meet with you to design a replacement plan that not only works with your time schedule, as well as saves you money and improves your Indoor Air Quality.